'99 Tahoe - Expedition Build!

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sparg93

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I want to run oba, but I'm thinking of putting the compressor on the frame (not sure where yet, or even if that's advisable) I was thinking in the rear where the spare tire will no longer be before too long, along with a tank. I want to run helper 'bags on the rear axle as well be able to air up my tires.

I've seen guys do that...my only concern is that the compressor will then be exposed to the elements and if you go through water, it gets wet. Some of the compressors are designed to take the beating, but i personally like keeping my dry....but the tank, i'd def put there and put a small piece of steal over it to protect it from heavy rock bashes if you wheel over rocks/boulders.
 
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sparg93

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Going out of order a little bit today, but here are pics from the RCX install we completed last month.

The good - fit and finish were solid and directions were spot-on

The bad
- NO WAY CAN YOU INSTALL IN 8hrs - two guys who have done this before on a Tahoe with air tools and a hydraulic lift could not bang this out in 4hrs (2 guys x 4hrs each). My recommendation, start Friday evening and hope you are done by dinner on Sunday...our rigs are not spring puppies, you will run into rusty suspension bolts and some are a beast to remove.

- My front anti sway bar kept banging into my tie rods after install - you will have to seriously consider if you want to remove your front sway bar, b/c bending a tie rod is not an option.

- Order longer brake lines from the front & back; RCX has this ridiculous solution for rebending your brake lines - bad idea - don't do it! I didn't have the lines on me so I carefully rebent the lines and the rubber lines are still fully stretched when my wheel drops all the way...I received my Skyjacker extended brake lines this week and they're going in next week.

Quick tips:
When doing this lift, it's a great time to replace your pitman/idle arm/idler arm bracket. These parts wear on our rigs and you're taking apart the entire front end anyway, so spend the extra hour or two and put in some new hardware. I also recommend replacing your upper & lower ball joints - again, these parts wear and you're taking apart the front end anyway. I do have one precaution though, all of this takes up a lot of time, if you need your rig for work on Monday and you haven't completed this type of work before, don't do it...same the extras for another day so you're not stranded.

This lift requires a LOT of tools. Download their install directions online prior to ordering and make sure you can get your hands on this many tools if you don't already own them. I would also seriously recommend you have an air gun to assist you b/c manually doing all of this would be exhausting and a number of these bolts may be seized from rust. Definitely have a least one friend helping you out...there's a lot of work to be done and an extra set of hands is invaluable; especially for resetting the torsion bars and front differential.

Ok, off my soap box - on to the photos

Here's where we did the install...I got really lucky that someone in my family has a commercial garage attached to their house
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First up - new torsion bars from Sway A Way - these are huge compared to OEM and very little preload is needed to set the suspension up. B/c I'm going to have an extra 350lbs off the front (winch + bumper + battery), I decided to try these bars as they are much stiffer then OEM.

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FFR Fabrication made these for me and I have to say, the craftsmanship is superb. These guys are well know for tie rods ends in the NBS community, so I called them up and they made these special for my OBS. These tie rod ends are leagues ahead of OEM and I seriously recommend them for anyone that offroads

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For anyone running the np246 transfer case (it has the Auto 4wd pushbutton), you will need to order the custom driveshaft from RCX - if you don't, you will have vibrations while engaged in 4wd. I was a little skeptical of what RCX was going to send, but I have to say, this front driveshaft is incredibly well made. It's perfectly balanced and a serious beast of a driveshaft with a high end joint that allows greater articulation

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Also, for folks with rear sway bars (4dr Tahoes + Subs), you will need the longer drop down links for your rear anti sway bar.

Most IFS lift require cutting/grinding/etc - the Tahoe going under the knife by one of the guys helping out
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Keep a rattle can available and you can make most of your old rusty parts look pretty new; I also painted the frame and IMO, it looks great
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Shot of the IFS completed!
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In terms of overall lift, I'm up 4.5" in the rear (Alcan Springs - no blocks), and about 5" up in the front. I just ordered z71 bump stops and i'm hoping that b/c these are smaller then non-Z71 rigs, I can lower the front 0.5".

Once the new bump stops are in, I'll take a photo on level ground to show everyone the new stance!
 
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sparg93

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thanks guys - it's getting there!!

I finished up my Synergy Suspension ball joints yesterday and today I'm on to a new EGR valve (OEM shorted) and then wiring up my dual battery setup.

Supposedly the Group 34 batteries (larger capacity then 78) will fit in the second tray (I have a 2nd OEM)...today I find out for sure!
 

dsltrc

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It looks great... BUT, your brake rotors are on the wrong sides... The slots in the rotors are suppose to go the other direction... But keep up the good work... I know I'm jealous..
 
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sparg93

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It looks great... BUT, your brake rotors are on the wrong sides... The slots in the rotors are suppose to go the other direction... But keep up the good work... I know I'm jealous..

That's what I thought too!!

When I installed these last year I was baffled by how Power slot recommended the left and right side. So i called them up and how I have them installed is the right way!
 
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sparg93

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Really.. hmmm... Well power slot would know...Guess I learned something new...

someone tried to explain it to me once on why the veins point inward...but i still didn't understand their logic b/c it made more sense to me that they point outward.... :emotions122: -
 

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